<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>简易转盘实现</title>
  <style>
    .div2 {
      width: 30px;
      height: 30px;
      background: blueviolet;
      float: left;
      margin: 10px;
    }
    .divon {
      border: 2px solid #f44336;
    }
  </style>
</head>
<body>
  <div id="div1"></div>
<!--  <script type="application/javascript" src="test.js"></script>-->
  <script type="application/javascript" src="test2.js"></script>
</body>
</html>
